hadoop 版本是hadoop-0.20.2-core

[chenlly99]

我模仿hadoop 例子写了个wordCount 的例子，运行是报错：

11/11/04 19:05:07 INFO jvm.JvmMetrics: Initializing JVM Metrics with processName=JobTracker, sessionId=
11/11/04 19:05:07 WARN mapred.JobClient: Use GenericOptionsParser for parsing the arguments. Applications should implement Tool for the same.
java.io.IOException: Cannot run program "chmod": CreateProcess error=2, ?????????
at java.lang.ProcessBuilder.start(ProcessBuilder.java:459)
at org.apache.hadoop.util.Shell.runCommand(Shell.java:149)
at org.apache.hadoop.util.Shell.run(Shell.java:134)
at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:286)
at org.apache.hadoop.util.Shell.execCommand(Shell.java:354)
at org.apache.hadoop.util.Shell.execCommand(Shell.java:337)
at org.apache.hadoop.fs.RawLocalFileSystem.execCommand(RawLocalFileSystem.java:481)
at org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:473)
at org.apache.hadoop.fs.FilterFileSystem.setPermission(FilterFileSystem.java:280)
at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:266)
at org.apache.hadoop.mapred.JobClient.configureCommandLineOptions(JobClient.java:573)
at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:761)
at org.apache.hadoop.mapreduce.Job.submit(Job.java:432)
at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:447)
at com.mapbar.hadoop.JobTest.run(JobTest.java:41)
at com.mapbar.hadoop.JobTest.main(JobTest.java:47)
Caused by: java.io.IOException: CreateProcess error=2, ?????????
at java.lang.ProcessImpl.create(Native Method)
at java.lang.ProcessImpl.<init>(ProcessImpl.java:81)
at java.lang.ProcessImpl.start(ProcessImpl.java:30)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:452)
... 15 more

不知道是什么原因引起的。

[xueye12gjj]

和你一样。怎么办呀。

[d_d_m]

我也遇到了同样的问题Cannot run program "chmod": CreateProcess error=2, ?????????

[d_d_m]

我搞好了 兄弟告诉你一下，错误是不能启动 chmod 线程，如果在windows下操作需要安装 cygwin 配置环境，，新手共勉